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Finding the Third Proportional to 4,478,328 and 6,739,956

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Solution

The third proportional to 4,478,328 and 6,739,956 is: 10,143,742.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478,328 : 6,739,956 = 6,739,956 : x
  2. Step 2: Convert to fraction form
    4,478,328/6,739,956 = 6,739,956/x
  3. Step 3: Cross multiply
    4,478,328x = 6,739,956 × 6,739,956
  4. Step 4: Simplify right side
    4,478,328x = 45,427,006,881,936
  5. Step 5: Solve for x
    x = 45,427,006,881,936/4,478,328
  6. Step 6: Final answer
    x = 10,143,742.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.